Tools & Wizards About Us
prepschoolofdc.org screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    35% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

prepschoolofdc.org

The Preparatory School of DC | Private Christian School | Day Care | After School Care | Washington DC

Page Load Speed

2.2 sec in total

First Response

155 ms

Resources Loaded

1.3 sec

Page Rendered

700 ms

prepschoolofdc.org screenshot

About Website

Welcome to prepschoolofdc.org homepage info - get ready to check Prep School Of DC best content right away, or after learning these important things about prepschoolofdc.org

Welcome. The Preparatory School of DC is a Christian private school serving the Washington DC area enriching the lives of infants through 8 grade.

Visit prepschoolofdc.org

Key Findings

We analyzed Prepschoolofdc.org page load time and found that the first response time was 155 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

prepschoolofdc.org performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value3,130 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

prepschoolofdc.org

155 ms

www.prepschoolofdc.org

328 ms

Blog.css

99 ms

slideshow.css

99 ms

jquery-ui.css

49 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 84% of them (42 requests) were addressed to the original Prepschoolofdc.org, 4% (2 requests) were made to Ajax.googleapis.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (328 ms) belongs to the original domain Prepschoolofdc.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 317.7 kB (35%)

Content Size

907.7 kB

After Optimization

590.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Prepschoolofdc.org main page is 907.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Images take 492.0 kB which makes up the majority of the site volume.

HTML Optimization

-55%

Potential reduce by 25.5 kB

  • Original 46.6 kB
  • After minification 45.1 kB
  • After compression 21.1 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 25.5 kB or 55% of the original size.

Image Optimization

-46%

Potential reduce by 226.1 kB

  • Original 492.0 kB
  • After minification 265.8 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Prep School Of DC needs image optimization as it can save up to 226.1 kB or 46% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-17%

Potential reduce by 59.8 kB

  • Original 346.1 kB
  • After minification 346.1 kB
  • After compression 286.3 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 59.8 kB or 17% of the original size.

CSS Optimization

-27%

Potential reduce by 6.3 kB

  • Original 23.1 kB
  • After minification 22.9 kB
  • After compression 16.8 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Prepschoolofdc.org needs all CSS files to be minified and compressed as it can save up to 6.3 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (56%)

Requests Now

43

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prep School Of DC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

prepschoolofdc.org

prepschoolofdc.org

155 ms

www.prepschoolofdc.org

www.prepschoolofdc.org

328 ms

Blog.css

Blog.css

99 ms

slideshow.css

slideshow.css

99 ms

jquery-ui.css

jquery-ui.css

49 ms

jquery.min.js

jquery.min.js

94 ms

jquery-ui.min.js

jquery-ui.min.js

94 ms

Main.css

Main.css

218 ms

ddsmoothmenu-v.css

ddsmoothmenu-v.css

97 ms

ddsmoothmenu-h.css

ddsmoothmenu-h.css

96 ms

ddsmoothmenu.js

ddsmoothmenu.js

211 ms

jscript.js

jscript.js

223 ms

magnificent-popup.js

magnificent-popup.js

226 ms

magnific-popup.css

magnific-popup.css

223 ms

tinyMCE.css

tinyMCE.css

223 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

222 ms

custom_0.css

custom_0.css

224 ms

custom_1.css

custom_1.css

236 ms

tinymce.min.js

tinymce.min.js

299 ms

Sarnow.css

Sarnow.css

202 ms

colorbox.css

colorbox.css

203 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

204 ms

WebResource.axd

WebResource.axd

200 ms

ScriptResource.axd

ScriptResource.axd

200 ms

ScriptResource.axd

ScriptResource.axd

228 ms

ScriptResource.axd

ScriptResource.axd

201 ms

addthis_widget.js

addthis_widget.js

134 ms

lg_f908e9_slide_2.jpg

lg_f908e9_slide_2.jpg

123 ms

header_logo.png

header_logo.png

124 ms

parent_login.png

parent_login.png

66 ms

home_ele_center.png

home_ele_center.png

121 ms

sm_enrich_cent.jpg

sm_enrich_cent.jpg

122 ms

home_summer_camp.png

home_summer_camp.png

123 ms

home_beforeAfterCare.png

home_beforeAfterCare.png

123 ms

pg_cont_home.png

pg_cont_home.png

59 ms

loading.gif

loading.gif

61 ms

search_but.jpg

search_but.jpg

60 ms

ribbon_bg.png

ribbon_bg.png

58 ms

footer_cont.png

footer_cont.png

72 ms

newsletter_but.jpg

newsletter_but.jpg

71 ms

ga.js

ga.js

58 ms

th_f908e9_slide_2.jpg

th_f908e9_slide_2.jpg

40 ms

down.png

down.png

36 ms

overlay.png

overlay.png

81 ms

roboto-light-webfont.woff

roboto-light-webfont.woff

42 ms

Roboto-BoldCondensed-webfont.woff

Roboto-BoldCondensed-webfont.woff

40 ms

roboto-bold-webfont.woff

roboto-bold-webfont.woff

37 ms

__utm.gif

__utm.gif

11 ms

acsb.js

acsb.js

72 ms

app.js

app.js

85 ms

Accessibility Review

prepschoolofdc.org accessibility score

75

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

Best Practices

prepschoolofdc.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

prepschoolofdc.org SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prepschoolofdc.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Prepschoolofdc.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

prepschoolofdc.org

Open Graph description is not detected on the main page of Prep School Of DC. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: